Windows7 Offline Files Service - turn it off

 Turning Off Online Files in Windows

To disable the Offline Files feature in Windows, follow these steps:

Using Sync Center

Press Win + R, type control, and press Enter to open the Control Panel.

Select Sync Center from the list of options.

Click on Manage offline files in the left-hand menu.

In the new window, click the Disable offline files button.

Click OK and restart your computer to apply the changes.

Using Registry Editor

Press Win + R, type regedit, and press Enter to open the Registry Editor.

Step 1. Type registry in the search box and select it to open the Registry Editor app.

Step 2. Navigate to the paths below and and create a new 32-Bit DWORD value Start.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CSC

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\CscService

Even if you are running 64-bit Windows you must still create a 32-bit DWORD value.

Step 3. You can enable the offline files to set the start value of CSC and CscService to 1 and 2 in order.

Step 4. If you want to disable offline files, set the start value of CSC and CscService to 4.

Step 5. Confirm your operations and restart your computer to let the new settings take effect.

Disclaimer: Generally, modifying registry subkeys or work group is intended for advanced users, administrators, and IT Professionals. It can help fix some problems, however, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For further protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click How to back up and restore the registry in Windows - Microsoft Support to view the article. 

OR Disable Offline Files in Windows by Group Policy Editor

In addition to the above methods, Group Policy Editor can also help you enable or disable offline files. You can follow the steps below to operate.

Step 1. In the search box, type group policy and select it to open Group Policy Editor.

Step 2. Navigate to Computer Configuration > Administrative Templates > Network > Offline Files.

Step 3. In the Offline Files, double click the Allow or Disallow use of the Offline Files feature to edit it.

Step 4. When you see the Allow or Disallow use of the Offline Files feature window if you want to enable the offline files, select Enabled and click OK.

Step 5. If you want to disable offline files, please select Disabled and click OK.

Step 6. Finally, restart your computer to make the changes take effect.